[英]Dynamic File Name based on pandas DataFrame Key Column
I have the following template DataFrame:我有以下模板 DataFrame:
df = pd.DataFrame({
'File_name_Column': ['File1', 'File2', 'File3', 'File1', 'File2', 'File3'],
'Column3': ['xxr', 'xxv', 'xxw', 'xxt', 'xxe', 'xxz'],
'Column4': ['wer', 'cad', 'sder', 'dse', 'sdf', 'csd'],
'Column5': ['xxr', 'xxv', 'xxw', 'xxt', 'xxe', 'xxz'],
'Column6': ['xxr', 'xxv', 'xxw', 'xxt', 'xxe', 'xxz'],})
I want to write several .txt files named based on the column "File_name_Column".我想写几个基于“File_name_Column”列命名的 .txt 文件。
I want to use something like this, but it's not working:我想使用这样的东西,但它不起作用:
df.to_csv(f'{df_File_name_Column}.txt', sep='|', index=False, header=False)
Desired Output:
File1.txt
'xxr'|'wer'|'xxr'|'xxr'
'xxt'|'dse'|'xxt'|'xxt'
File2.txt
'xxv'|'cad'|'xxv'|'xxv'
'xxe'|'sdf'|'xxe'|'xxe'
File3.txt
'xxw'|'sder'|'xxw'|'xxw'
'xxz'|'csd'| 'xxz'| 'xxz'
Note¹: This is millions of rows dataframe注意¹:这是数百万行数据框
Note²: I cannot use Open() Function, because I'm migrating this pipeline to a platform that don't support this function.注意²:我不能使用 Open() 函数,因为我正在将此管道迁移到不支持此函数的平台。
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